CN205353326U - Testing arrangement of voltage in twinkling of an eye when sudden strain of a muscle of car headlight intermittent type nature is disconnected - Google Patents
Testing arrangement of voltage in twinkling of an eye when sudden strain of a muscle of car headlight intermittent type nature is disconnected Download PDFInfo
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- CN205353326U CN205353326U CN201521128525.XU CN201521128525U CN205353326U CN 205353326 U CN205353326 U CN 205353326U CN 201521128525 U CN201521128525 U CN 201521128525U CN 205353326 U CN205353326 U CN 205353326U
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- headlight
- vehicles
- intermittence
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Abstract
The utility model relates to a testing arrangement of voltage in twinkling of an eye when sudden strain of a muscle of car headlight intermittent type nature is disconnected, car headlight (1) set up in test box (2) of setting for ambient temperature, voltage testing arrangement include power source on casing (3), casing (3), detect controller, relay (6), load resistance (7) and voltage register (8) in interface and casing (3), detection interface both ends connect car headlight (1) in test box (2) respectively, power source anodal the connection detect interface one end, the negative pole connects gradually relay (6) and load resistance (7) one end, the load resistance other end (7) be connected to and detect the interface other end, the controller connect relay (6) control end, voltage register (8) connect in parallel at load resistance (7) both ends. Compared with the prior art, the utility model has the advantages of simple structure, the test result is reliable, work efficiency is high.
Description
Technical field
The present invention relates to a kind of voltage test device, especially relate to transient voltage test device during a kind of headlight for vehicles intermittence flash.
Background technology
Along with the development of automobile industry, auto-parts fast development, wherein Vehicular lamp is a kind of important auto-parts.Automobiles light fixture is after production terminates, it is necessary to carry out multiple performance test, thus ensureing the quality of light fixture.Including the high/low temperature to light fixture in multiple performance test to detect, be placed in high/low temperature test box by light fixture, the temperature controlled in test box is changed by given pace in certain temperature range, tests the working condition of light fixture in this kind of variations in temperature environment.Method traditional at present is to be prevented in high/low temperature test box by light fixture, and lights light fixture, and whether detection light fixture extinguishes within the setting time, if extinguishing, this light fixture exists quality problems.But in actual applications, automobile lamp is unlikely to be the state lighted always, therefore this method can not the practical working situation of actual response light fixture, therefore the reliability of testing result is affected, additionally need the mode by manual observation, improve cost of labor, inefficiency.
Summary of the invention
Defect that the purpose of the present invention is contemplated to overcome above-mentioned prior art to exist and transient voltage test device when a kind of headlight for vehicles intermittence flash is provided.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of transient voltage test device during headlight for vehicles intermittence flash, described headlight for vehicles is arranged in the test box of set environment temperature, described voltage test device includes housing, power interface on housing, controller in detection interface and housing, relay, load resistance and voltage recorder, the described headlight for vehicles in the connecting test case respectively of detection interface two ends, described power interface positive pole connects detection interface one end, negative pole is sequentially connected with relay and load resistance one end, the described load resistance other end is connected to the detection interface other end, described controller connects Control end, described voltage recorder is connected in parallel on load resistance two ends.
Described controller is PLC, relay on-off electricity frequency can be changed according to the actual requirements by PLC, thus changing flashing of headlight frequency, it is possible to actual response headlight for vehicles real work situation so that test result is relatively reliable.
Described set environment temperature changes between-40 DEG C～85 DEG C and rate of change is 5 DEG C/min.
Described relay power is 200～300W.
This device also includes data processing unit and display unit, described data processing unit connects described voltage recorder, described display unit is arranged on housing and is connected with described data processing unit, can show test data timely and conveniently, facilitate staff to check.
Described display unit is liquid crystal display.
Described data processing unit is single-chip microcomputer.
This device also includes acousto-optic warning unit, and this acousto-optic warning unit connects described data processing unit and connects, and when the difference of the data that voltage recorder gathers and setting value is more than when setting threshold value, acousto-optic warning unit works.When the magnitude of voltage gathered occurs abnormal, audible-visual annunciator party member can remind staff to handle it in time, improves work efficiency.
Described acousto-optic warning unit includes LED and speaker.
Compared with prior art, present invention have the advantage that
(1) headlight for vehicles in the PLC controllable testing case in this device is according to setting operating frequency flicker, it is possible to actual response headlight for vehicles real work situation so that test result is relatively reliable；
(2) this device arranges liquid crystal display, test result is shown in real time, also can check historical data as required simultaneously, and automaticity improves, and reduces cost of labor；
(3) acousto-optic warning unit arranged can notify that staff handles it in time when headlight for vehicles occurs abnormal, improves work efficiency；
(4) simple, old of this apparatus structure is low, be easy to volume production.
Accompanying drawing explanation
Fig. 1 is the structural representation of transient voltage test device during headlight for vehicles intermittence flash of the present invention.
In figure, 1 is headlight for vehicles, and 2 is test box, and 3 is housing, and 4 is power supply, and 5 is PLC, and 6 is relay, and 7 is load resistance, and 8 is voltage recorder, and 9 is data processing unit.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment
As it is shown in figure 1, transient voltage test device during a kind of headlight for vehicles intermittence flash, described headlight for vehicles 1 is arranged in the test box 2 of set environment temperature, and described set environment temperature changes between-40 DEG C～85 DEG C and rate of change is 5 DEG C/min.Described voltage test device includes housing 3, power interface on housing 3, controller in detection interface and housing 3, relay 6, load resistance 7 and voltage recorder 8, the described headlight for vehicles 1 in the connecting test case 2 respectively of detection interface two ends, described power interface connects external power source 4, described power interface positive pole connects detection interface one end, negative pole is sequentially connected with relay 6 and load resistance 7 one end, described load resistance 7 other end is connected to the detection interface other end, described controller connects Control end, described voltage recorder 8 is connected in parallel on load resistance 7 two ends；Described controller controls relay 6 by setting operating frequency work, turns on and off thus controlling headlight for vehicles 1 by setpoint frequency, and described voltage recorder 8 is tested when headlight for vehicles 1 is connected and records load resistance 7 both end voltage.
Wherein said relay 6 is high power relay, power is 200～300W, the present embodiment adopts the relay of 250W, described controller is PLC 5, and this controller controls relay 6 break-make frequency, and then control headlight for vehicles 1 turns on and off frequency, relay 6 power on/off frequency can be changed according to the actual requirements by PLC 5, thus changing headlight for vehicles 1 flicker frequency, it is possible to actual response headlight for vehicles 1 real work situation so that test relatively reliable.
Additionally this device also includes data processing unit 9, display unit and acousto-optic warning unit, described data processing unit 9 connects described voltage recorder 8, described data processing unit is single-chip microcomputer, described display unit is liquid crystal display, and described acousto-optic warning unit includes LED and speaker.Display unit is arranged on housing 3 and is connected with described data processing unit 9, can show test data timely and conveniently, facilitate staff to check.Described acousto-optic warning unit connects described data processing unit 9 and connects, and when the difference of the data that voltage recorder gathers and setting value is more than when setting threshold value, acousto-optic warning unit works.When the magnitude of voltage gathered occurs abnormal, audible-visual annunciator party member can remind staff to handle it in time, improves work efficiency.
Claims (9)
1. a transient voltage test device during headlight for vehicles intermittence flash, described headlight for vehicles (1) is arranged in the test box (2) of set environment temperature, it is characterized in that, described voltage test device includes housing (3), power interface on housing (3), controller in detection interface and housing (3), relay (6), load resistance (7) and voltage recorder (8), headlight for vehicles (1) in the connecting test case (2) respectively of described detection interface two ends, described power interface positive pole connects detection interface one end, negative pole is sequentially connected with relay (6) and load resistance (7) one end, described load resistance (7) other end is connected to the detection interface other end, described controller connects relay (6) and controls end, described voltage recorder (8) is connected in parallel on load resistance (7) two ends.
2. transient voltage test device during a kind of headlight for vehicles intermittence flash according to claim 1, it is characterised in that described controller is PLC (5).
3. transient voltage test device during a kind of headlight for vehicles intermittence flash according to claim 1, it is characterised in that described set environment temperature changes between-40 DEG C～85 DEG C and rate of change is 5 DEG C/min.
4. transient voltage test device during a kind of headlight for vehicles intermittence flash according to claim 1, it is characterised in that described relay (6) power is 200～300W.
5. transient voltage test device during a kind of headlight for vehicles intermittence flash according to claim 1, it is characterized in that, this device also includes data processing unit (9) and display unit, described data processing unit (9) connects described voltage recorder (8), and described display unit is arranged on housing (3) and above and is connected with described data processing unit (9).
6. transient voltage test device during a kind of headlight for vehicles intermittence flash according to claim 5, it is characterised in that described display unit is liquid crystal display.
7. transient voltage test device during a kind of headlight for vehicles intermittence flash according to claim 5, it is characterised in that described data processing unit (9) is single-chip microcomputer.
8. transient voltage test device during a kind of headlight for vehicles intermittence flash according to claim 5, it is characterised in that this device also includes acousto-optic warning unit, and this acousto-optic warning unit connects described data processing unit (9) and connects.
9. transient voltage test device during a kind of headlight for vehicles intermittence flash according to claim 8, it is characterised in that described acousto-optic warning unit includes LED and speaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521128525.XU CN205353326U (en) | 2015-12-30 | 2015-12-30 | Testing arrangement of voltage in twinkling of an eye when sudden strain of a muscle of car headlight intermittent type nature is disconnected |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521128525.XU CN205353326U (en) | 2015-12-30 | 2015-12-30 | Testing arrangement of voltage in twinkling of an eye when sudden strain of a muscle of car headlight intermittent type nature is disconnected |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205353326U true CN205353326U (en) | 2016-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521128525.XU Expired - Fee Related CN205353326U (en) | 2015-12-30 | 2015-12-30 | Testing arrangement of voltage in twinkling of an eye when sudden strain of a muscle of car headlight intermittent type nature is disconnected |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205353326U (en) |
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2015
- 2015-12-30 CN CN201521128525.XU patent/CN205353326U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160629 Termination date: 20181230 |